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\nCertified for installation in manufactured (mobile) homes.  \nTable of Contents.............................................. 2  \nConsumer Safety Information ........................... 4  \nOperating Instructions ....................................... 5  \nMaintenance ..................................................... 9  \nError Codes..................................................... 10  \nInstallation Instructions.................................... 14  \nConsumer Support .......................................... 39  \nFrench Version................................................ 42  \nRegister your product at [www.rinnairegistration.com](www.rinnairegistration.com) or call 1-866-RINNAI1 (746-6241)  \nRV53i only  \nANS Z21 .10.3 ●  \nCSA 4.3  \nINSTALLER: Leave this manual with the appliance. CONSUMER: Retain this manual for future reference.  \n  WARNING  If the information in these instructions is not  \nfollowed exactly, a fire or explosion may  \nresult causing property damage, personal injury or death.  \n— Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.  \n— WHAT TO DO IF YOU SMELL GAS  \n􀁸 Do not try to light any appliance.  \n􀁸 Do not touch any electrical switch; do not use any phone in your building.  \n􀁸 Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.  \n􀁸 If you cannot reach your gas supplier, call the fire department.  \n— Installation and service must be performed by a qualified installer, service agency or the gas supplier.  \nCalifornia Proposition 65 lists chemical substances known to the state to cause cancer, birth defects, death, serious illness or other reproductive harm. This product may contain such substances, be their origin from fuel combustion (gas, oil) or components of the product itself.  \nTable of Contents  \nSpecifications ..................................................... 3  \nConsumer Safety Information  \nSafety Definitions ............................................. 4  \nSafety Behaviors and Practices....................... 4  \nSafety Features................................................ 4  \nDescription of Operation.................................... 4  \nOperating Instructions  \nHow to Set the Temperature............................ 5  \nSetting the Sound Volume (Voice Prompt) ...... 5  \nTemperature Controller Settings ...................... 6  \nTemperature Options Without a Temperature Controller................................. 6  \nUsing the Water Smart / Bath Fill Function ..... 7  \nOverview ..................................................... 7  \nSetting the Water Volume ........................... 7  \nFilling the Tub .............................................. 8  \nSetting Controller to Mute ................................ 8  \nSetting the Clock.............................................. 8  \nMaintenance  \nCleaning ...................................................... 9  \nVent System (RV53i) ................................... 9  \nAir Intake and Exhaust (RV53e) .................. 9  \nMotors ......................................................... 9  \nTemperature Controller ............................... 9  \nLime / Scale Build-up .................................. 9  \nSnow Accumulation..................................... 9  \nVisual Inspection of Flame .......................... 9  \nError Codes  \nFront Panel Display Indication ....................... 10  \nError Code Table ...................................... 10,11  \nTrouble Shooting for Common Issues ........... 12  \nAccessing Operating Information................... 12  \nWater Quality ................................................. 12  \nFlushing the Heat Exchanger (Error Code: LC or 00) ................................... 13  \nInstallation Instructions ................................... 14  \nGeneral Instr","cbCaio6pq3utHV2j","https://ap.wps.com/l/cbCaio6pq3utHV2j","pdf",2469649,"English","# Consumer Safety Information\n## Safety Definitions\n## Safety Behaviors and Practices\n## Safety Features\n## Description of Operation\n# Operating Instructions\n## How to Set the Temperature\n## Setting the Sound Volume (Voice Prompt)\n## Temperature Controller Settings\n## Temperature Options Without a Temperature Controller\n## Using the Water Smart / Bath Fill Function\n## Setting the Water Volume\n## Filling the Tub\n## Setting Controller to Mute\n## Setting the Clock\n# Maintenance\n## Cleaning\n## Vent System (RV53i)\n## Air Intake and Exhaust (RV53e)\n## Motors\n## Temperature Controller\n## Lime / Scale Build-up\n## Snow Accumulation\n## Visual Inspection of Flame\n# Error Codes\n## Front Panel Display Indication\n## Error Code Table\n## Trouble Shooting for Common Issues\n## Accessing Operating Information\n## Water Quality\n## Flushing the Heat Exchanger (Error Code: LC or 00)\n# Installation Instructions\n## General Instructions\n## Environment\n## Clearances from Appliance\n## Attachment of the Water Heater\n## Electrical Connection\n## Gas Piping\n## Pipe Sizing Procedure-Example\n## Water Piping Isolation Valves and Pressure Relief Valves\n## Pressure Relief Valve\n## Freeze Protection\n## Freeze Protection Methods\n## Manual draining of the water heater\n## Running a low volume of water through the water heater to prevent freezing\n## When the water heater or external piping has frozen\n## Freeze Protection Piping\n## Error Indication or Air Handler Control Switch (RV53i)\n## Recommended Piping for Basic Installation\n## Recommended Piping for Circulation Systems\n## Venting Instructions (RV53i) Intake / Exhaust Guidelines\n## Condensate\n## Maximum Vent Length\n## Vent Products\n## Flue Installation-Concentric Venting (RV53i)\n## Flue Terminal Clearances (ANS Z21.10.3, CSA 4.3)\n## Additional Clearances\n## Connecting Multiple Water Heaters\n## High Altitude Installations","[{\"question\":\"What should installers and consumers do with this manual?\",\"answer\":\"The installer must leave the manual with the appliance, and the consumer must retain it for future reference.\"},{\"question\":\"How can the user set water temperature and voice prompt volume on the RV53i/RV53e?\",\"answer\":\"The manual provides operating instructions for setting temperature, configuring the sound volume (voice prompt), and adjusting temperature controller settings, plus temperature options when no temperature controller is used.\"},{\"question\":\"Where can I find error information and troubleshooting steps?\",\"answer\":\"Use the Error Codes section, including front panel display indications, the error code table, and troubleshooting for common issues such as accessing operating information and flushing the heat exchanger for specific error codes.\"}]","Rinnai Tankless Water Heater RV53i - Installation and Operation Manual | PDF",151]